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Keywords: vessel motion
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31889-MS
... Abstract Due to an on-going project's specificities, running time domain analyses using wave and vessel motions timeseries has been required. However due to numerical limitations, preserving time consistency between wave elevation and vessel motions led to unacceptable simulation run time...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29642-MS
... is more critical in real-time applications where there is no human in the loop to perform sense checks on data or results. A real-time digital twin implementation for a floating system uses time-series data from numerous measurements such as wind, waves, GPS, vessel motions, mooring tensions, draft, etc...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29316-MS
... between the type of operation to be performed. For example, reconnecting the low marine riser package has much stricter motion limitations compared to logging or drilling through riser operations. All these operations need to be carefully planned; and having estimate in advance of the vessel motion...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28732-MS
... against the fatigue damage calculated from finite element analysis data. drilling riser fatigue damage rate integrity management machine learning upstream oil & gas fatigue damage algorithm vessel motion neural network virtual sensor seastate riser ann model riser system arctic...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28696-MS
... with empirical estimates. After that, a chain table and a turret system were added into the model to perform free decay cases and forced motion cases. That CFD model was also assessed with the vessel motions in regular and irregular waves. Simulation results revealed sloshing and piston modes and natural decay...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27808-MS
... displacement tension variation modeling & simulation wellhead fatigue spectra natural frequency riser vessel motion frequency Gryt0yr , G. , Coral , F. , Lindstad , H. B. , and Russo , M. , "Wellhead Fatigue Damage Based on Indirect Measurements," Proc. 34th...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27228-MS
... mixing are not included. Since convective mixing can be the larger of the two, better methods are needed to account for the impact of LNG movement due to filling, vessel motions, and off-loading. Modern CFD methods are able to account for all these effects, and this paper describes the development of one...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25910-MS
.... turret clump mass reconnection line reconnection system upstream oil & gas subsea system reliability disconnection btm equilibrium depth top stopper reconnection arctic condition arrangement fpu mooring system riser buoy winch tension stopper vessel motion snatch load operation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25917-MS
... oscillation test sensor wir frequency model test campaign optical strain sensor offshore technology conference analysis model flow rate riser internal flow coefficient stiffness model test diameter pipe upstream oil & gas vessel motion basin OTC-25917-MS Advancing Cold...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25405-MS
... further down inside the conductor. At any given instant, the BOP inclination is made up of a dynamic component superimposed on top of a mean static component. The dynamic component is generated by wave induced vessel motion transmitted to the BOP via the riser. One of the inputs that was thoroughly...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-23957-MS
... the STP™ turret buoy and the mating cone, a model was introduced to better evaluate the local effect of dragging and hydraulic suction combined with the vessel motion. This effect is paramount to the integrity of the riser and umbilical structure, as well as to prevent collision between the vessel...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21848-MS
... to the comprehensive coupling of kinematics of a single or multiple articulated segments of stinger interacting in synchrony with sea loading, vessel motions and in combination with buoyancy and inertial forces. This in conjunction with the pipeline engaging from the seabed through the unilateral action of roller...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20856-MS
... topside system gas monetization vessel motion roll suppression device downtime analysis liquified natural gas reduction rsd lng fpso fpso motion otc 20856 heat exchanger upstream oil & gas offshore technology conference installation subsea system application rao roll motion...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-19857-MS
... of thick walled seamless pipe required by the Tahiti SCRs had never been performed on a project scale. The Spar produced superior SCR fatigue results because of favorable vessel motions at the keel hang off location. The keel of a spar has a very small motion due to the fact that the spar rotates about...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-19073-MS
... substructure technip transport vessel offshore technology conference subsea system topsides installation control room operation transition piece platform deck leg vessel motion derrick barge otc 19073 environmental condition jacket leg transportation upstream oil & gas...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18467-MS
... depths is contingent on the feasibility of the riser systems (i.e., vessel motions that can enable the use of SCRs) as well as the overall cost of the facility. Some of the advantages of a semi in ultra-deepwater Gulf of Mexico conditions are summarized below: at shore or quayside commissioning...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18493-MS
... motion. Green water simulation with domain decomposition There is a need for calculation methods for local flow phenomena of wave impact loading and loading from green water on the deck of offshore floaters. (Non-linear) methods to predict the wave field around the vessel and the vessel motions exist...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18932-MS
... weight is shown below. sheaf downhole intervention winch lifting line rope tension deployment system fiber rope vessel motion water depth sheave installation anchor compensation upstream oil & gas splice well intervention production enhancement ctcu ahc active heave...

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